This handout photo provided by the Office of the Defense Secretary (OSD), taken Aug. 19, 2014, shows a Chinese fighter jet that the White House said Friday conducted a "dangerous intercept" of a U.S. Navy surveillance and reconnaissance aircraft. Uncredited/AP hide caption

itoggle caption Uncredited/AP

Sonia Marquez of the Colorado Immigrant Rights Coalition is encouraging Latinos to turn out for this year's midterm elections. Kirk Siegler/NPR hide caption

itoggle caption Kirk Siegler/NPR

James Tomsheck poses in his office in Washington in June 2009. At the time, he was assistant commissioner for internal affairs with U.S. Customs and Border Protection. Alex Brandon/AP hide caption

itoggle caption Alex Brandon/AP

The granulated surface of the lake bed known as the Racetrack is a favorite destination for tourists — and for scientists who want to investigate trails left by the meandering stones. Momatiuk - Eastcott/Corbis hide caption

itoggle caption Momatiuk - Eastcott/Corbis

Bob O'Connor, a Foster Farms veterinarian, holds an 11-day-old chick at a ranch near the town of Merced, in California's Central Valley. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

Frame grabs from security video were displayed during a police news conference in Omaha, Neb., on Wednesday. Sound technician Bryce Dion, who was embedded with Omaha police, was killed during an armed robbery at a Wendy's restaurant on Tuesday. Nati Harnik/AP hide caption

itoggle caption Nati Harnik/AP

Kent Sorenson says he was paid for his endorsement of Ron Paul in the 2012 presidential campaign — and that the exchange was hidden from the public. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

Tractors sit on a sugarcane plantation on the land of a Guarani-Kaiowá indigenous community in Brazil, where Oxfam has alleged "land grabs" unfairly take land from the poor. The United Nations is drafting voluntary guidelines for "responsible investment in agriculture and food systems" in response to such concerns. Tatiana Cardeal/Courtesy of Oxfam hide caption

itoggle caption Tatiana Cardeal/Courtesy of Oxfam